Improve application initialization logs

[IvanildoBarauna]

Summary

• Enhanced the initialization logs with visual indicators (emojis) for better readability
• Added environment context and process ID to the final success log
• Improved error handling with clearer failure messages
• Better structured log messages for easier debugging and troubleshooting

What Changed

• Modified backend/src/infrastructure/dependencie_injection.py to improve logging during dependency initialization
• Logs now show PostgreSQL adapter and Portfolio service initialization with clearer status indicators
• Added environment (development/production) and process ID for better observability

Test Plan

• Verify logs display correctly with emojis during application startup
• Check that all initialization steps are properly logged
• Verify error messages are displayed clearly if initialization fails
• Confirm environment and PID are shown in the final success message

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